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[MTD] [NOR] Add support for the SST 39VF1601 flash chip
[deliverable/linux.git] / drivers / mtd / chips / jedec_probe.c
1 /*
2 Common Flash Interface probe code.
3 (C) 2000 Red Hat. GPL'd.
4 $Id: jedec_probe.c,v 1.66 2005/11/07 11:14:23 gleixner Exp $
5 See JEDEC (http://www.jedec.org/) standard JESD21C (section 3.5)
6 for the standard this probe goes back to.
7
8 Occasionally maintained by Thayne Harbaugh tharbaugh at lnxi dot com
9 */
10
11 #include <linux/module.h>
12 #include <linux/init.h>
13 #include <linux/types.h>
14 #include <linux/kernel.h>
15 #include <asm/io.h>
16 #include <asm/byteorder.h>
17 #include <linux/errno.h>
18 #include <linux/slab.h>
19 #include <linux/interrupt.h>
20
21 #include <linux/mtd/mtd.h>
22 #include <linux/mtd/map.h>
23 #include <linux/mtd/cfi.h>
24 #include <linux/mtd/gen_probe.h>
25
26 /* Manufacturers */
27 #define MANUFACTURER_AMD 0x0001
28 #define MANUFACTURER_ATMEL 0x001f
29 #define MANUFACTURER_FUJITSU 0x0004
30 #define MANUFACTURER_HYUNDAI 0x00AD
31 #define MANUFACTURER_INTEL 0x0089
32 #define MANUFACTURER_MACRONIX 0x00C2
33 #define MANUFACTURER_NEC 0x0010
34 #define MANUFACTURER_PMC 0x009D
35 #define MANUFACTURER_SHARP 0x00b0
36 #define MANUFACTURER_SST 0x00BF
37 #define MANUFACTURER_ST 0x0020
38 #define MANUFACTURER_TOSHIBA 0x0098
39 #define MANUFACTURER_WINBOND 0x00da
40
41
42 /* AMD */
43 #define AM29DL800BB 0x22C8
44 #define AM29DL800BT 0x224A
45
46 #define AM29F800BB 0x2258
47 #define AM29F800BT 0x22D6
48 #define AM29LV400BB 0x22BA
49 #define AM29LV400BT 0x22B9
50 #define AM29LV800BB 0x225B
51 #define AM29LV800BT 0x22DA
52 #define AM29LV160DT 0x22C4
53 #define AM29LV160DB 0x2249
54 #define AM29F017D 0x003D
55 #define AM29F016D 0x00AD
56 #define AM29F080 0x00D5
57 #define AM29F040 0x00A4
58 #define AM29LV040B 0x004F
59 #define AM29F032B 0x0041
60 #define AM29F002T 0x00B0
61
62 /* Atmel */
63 #define AT49BV512 0x0003
64 #define AT29LV512 0x003d
65 #define AT49BV16X 0x00C0
66 #define AT49BV16XT 0x00C2
67 #define AT49BV32X 0x00C8
68 #define AT49BV32XT 0x00C9
69
70 /* Fujitsu */
71 #define MBM29F040C 0x00A4
72 #define MBM29F800BA 0x2258
73 #define MBM29LV650UE 0x22D7
74 #define MBM29LV320TE 0x22F6
75 #define MBM29LV320BE 0x22F9
76 #define MBM29LV160TE 0x22C4
77 #define MBM29LV160BE 0x2249
78 #define MBM29LV800BA 0x225B
79 #define MBM29LV800TA 0x22DA
80 #define MBM29LV400TC 0x22B9
81 #define MBM29LV400BC 0x22BA
82
83 /* Hyundai */
84 #define HY29F002T 0x00B0
85
86 /* Intel */
87 #define I28F004B3T 0x00d4
88 #define I28F004B3B 0x00d5
89 #define I28F400B3T 0x8894
90 #define I28F400B3B 0x8895
91 #define I28F008S5 0x00a6
92 #define I28F016S5 0x00a0
93 #define I28F008SA 0x00a2
94 #define I28F008B3T 0x00d2
95 #define I28F008B3B 0x00d3
96 #define I28F800B3T 0x8892
97 #define I28F800B3B 0x8893
98 #define I28F016S3 0x00aa
99 #define I28F016B3T 0x00d0
100 #define I28F016B3B 0x00d1
101 #define I28F160B3T 0x8890
102 #define I28F160B3B 0x8891
103 #define I28F320B3T 0x8896
104 #define I28F320B3B 0x8897
105 #define I28F640B3T 0x8898
106 #define I28F640B3B 0x8899
107 #define I82802AB 0x00ad
108 #define I82802AC 0x00ac
109
110 /* Macronix */
111 #define MX29LV040C 0x004F
112 #define MX29LV160T 0x22C4
113 #define MX29LV160B 0x2249
114 #define MX29F040 0x00A4
115 #define MX29F016 0x00AD
116 #define MX29F002T 0x00B0
117 #define MX29F004T 0x0045
118 #define MX29F004B 0x0046
119
120 /* NEC */
121 #define UPD29F064115 0x221C
122
123 /* PMC */
124 #define PM49FL002 0x006D
125 #define PM49FL004 0x006E
126 #define PM49FL008 0x006A
127
128 /* Sharp */
129 #define LH28F640BF 0x00b0
130
131 /* ST - www.st.com */
132 #define M29F800AB 0x0058
133 #define M29W800DT 0x00D7
134 #define M29W800DB 0x005B
135 #define M29W160DT 0x22C4
136 #define M29W160DB 0x2249
137 #define M29W040B 0x00E3
138 #define M50FW040 0x002C
139 #define M50FW080 0x002D
140 #define M50FW016 0x002E
141 #define M50LPW080 0x002F
142
143 /* SST */
144 #define SST29EE020 0x0010
145 #define SST29LE020 0x0012
146 #define SST29EE512 0x005d
147 #define SST29LE512 0x003d
148 #define SST39LF800 0x2781
149 #define SST39LF160 0x2782
150 #define SST39VF1601 0x234b
151 #define SST39LF512 0x00D4
152 #define SST39LF010 0x00D5
153 #define SST39LF020 0x00D6
154 #define SST39LF040 0x00D7
155 #define SST39SF010A 0x00B5
156 #define SST39SF020A 0x00B6
157 #define SST49LF004B 0x0060
158 #define SST49LF040B 0x0050
159 #define SST49LF008A 0x005a
160 #define SST49LF030A 0x001C
161 #define SST49LF040A 0x0051
162 #define SST49LF080A 0x005B
163
164 /* Toshiba */
165 #define TC58FVT160 0x00C2
166 #define TC58FVB160 0x0043
167 #define TC58FVT321 0x009A
168 #define TC58FVB321 0x009C
169 #define TC58FVT641 0x0093
170 #define TC58FVB641 0x0095
171
172 /* Winbond */
173 #define W49V002A 0x00b0
174
175
176 /*
177 * Unlock address sets for AMD command sets.
178 * Intel command sets use the MTD_UADDR_UNNECESSARY.
179 * Each identifier, except MTD_UADDR_UNNECESSARY, and
180 * MTD_UADDR_NO_SUPPORT must be defined below in unlock_addrs[].
181 * MTD_UADDR_NOT_SUPPORTED must be 0 so that structure
182 * initialization need not require initializing all of the
183 * unlock addresses for all bit widths.
184 */
185 enum uaddr {
186 MTD_UADDR_NOT_SUPPORTED = 0, /* data width not supported */
187 MTD_UADDR_0x0555_0x02AA,
188 MTD_UADDR_0x0555_0x0AAA,
189 MTD_UADDR_0x5555_0x2AAA,
190 MTD_UADDR_0x0AAA_0x0555,
191 MTD_UADDR_DONT_CARE, /* Requires an arbitrary address */
192 MTD_UADDR_UNNECESSARY, /* Does not require any address */
193 };
194
195
196 struct unlock_addr {
197 u32 addr1;
198 u32 addr2;
199 };
200
201
202 /*
203 * I don't like the fact that the first entry in unlock_addrs[]
204 * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore,
205 * should not be used. The problem is that structures with
206 * initializers have extra fields initialized to 0. It is _very_
207 * desireable to have the unlock address entries for unsupported
208 * data widths automatically initialized - that means that
209 * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here
210 * must go unused.
211 */
212 static const struct unlock_addr unlock_addrs[] = {
213 [MTD_UADDR_NOT_SUPPORTED] = {
214 .addr1 = 0xffff,
215 .addr2 = 0xffff
216 },
217
218 [MTD_UADDR_0x0555_0x02AA] = {
219 .addr1 = 0x0555,
220 .addr2 = 0x02aa
221 },
222
223 [MTD_UADDR_0x0555_0x0AAA] = {
224 .addr1 = 0x0555,
225 .addr2 = 0x0aaa
226 },
227
228 [MTD_UADDR_0x5555_0x2AAA] = {
229 .addr1 = 0x5555,
230 .addr2 = 0x2aaa
231 },
232
233 [MTD_UADDR_0x0AAA_0x0555] = {
234 .addr1 = 0x0AAA,
235 .addr2 = 0x0555
236 },
237
238 [MTD_UADDR_DONT_CARE] = {
239 .addr1 = 0x0000, /* Doesn't matter which address */
240 .addr2 = 0x0000 /* is used - must be last entry */
241 },
242
243 [MTD_UADDR_UNNECESSARY] = {
244 .addr1 = 0x0000,
245 .addr2 = 0x0000
246 }
247 };
248
249
250 struct amd_flash_info {
251 const __u16 mfr_id;
252 const __u16 dev_id;
253 const char *name;
254 const int DevSize;
255 const int NumEraseRegions;
256 const int CmdSet;
257 const __u8 uaddr[4]; /* unlock addrs for 8, 16, 32, 64 */
258 const ulong regions[6];
259 };
260
261 #define ERASEINFO(size,blocks) (size<<8)|(blocks-1)
262
263 #define SIZE_64KiB 16
264 #define SIZE_128KiB 17
265 #define SIZE_256KiB 18
266 #define SIZE_512KiB 19
267 #define SIZE_1MiB 20
268 #define SIZE_2MiB 21
269 #define SIZE_4MiB 22
270 #define SIZE_8MiB 23
271
272
273 /*
274 * Please keep this list ordered by manufacturer!
275 * Fortunately, the list isn't searched often and so a
276 * slow, linear search isn't so bad.
277 */
278 static const struct amd_flash_info jedec_table[] = {
279 {
280 .mfr_id = MANUFACTURER_AMD,
281 .dev_id = AM29F032B,
282 .name = "AMD AM29F032B",
283 .uaddr = {
284 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
285 },
286 .DevSize = SIZE_4MiB,
287 .CmdSet = P_ID_AMD_STD,
288 .NumEraseRegions= 1,
289 .regions = {
290 ERASEINFO(0x10000,64)
291 }
292 }, {
293 .mfr_id = MANUFACTURER_AMD,
294 .dev_id = AM29LV160DT,
295 .name = "AMD AM29LV160DT",
296 .uaddr = {
297 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
298 [1] = MTD_UADDR_0x0555_0x02AA /* x16 */
299 },
300 .DevSize = SIZE_2MiB,
301 .CmdSet = P_ID_AMD_STD,
302 .NumEraseRegions= 4,
303 .regions = {
304 ERASEINFO(0x10000,31),
305 ERASEINFO(0x08000,1),
306 ERASEINFO(0x02000,2),
307 ERASEINFO(0x04000,1)
308 }
309 }, {
310 .mfr_id = MANUFACTURER_AMD,
311 .dev_id = AM29LV160DB,
312 .name = "AMD AM29LV160DB",
313 .uaddr = {
314 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
315 [1] = MTD_UADDR_0x0555_0x02AA /* x16 */
316 },
317 .DevSize = SIZE_2MiB,
318 .CmdSet = P_ID_AMD_STD,
319 .NumEraseRegions= 4,
320 .regions = {
321 ERASEINFO(0x04000,1),
322 ERASEINFO(0x02000,2),
323 ERASEINFO(0x08000,1),
324 ERASEINFO(0x10000,31)
325 }
326 }, {
327 .mfr_id = MANUFACTURER_AMD,
328 .dev_id = AM29LV400BB,
329 .name = "AMD AM29LV400BB",
330 .uaddr = {
331 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
332 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
333 },
334 .DevSize = SIZE_512KiB,
335 .CmdSet = P_ID_AMD_STD,
336 .NumEraseRegions= 4,
337 .regions = {
338 ERASEINFO(0x04000,1),
339 ERASEINFO(0x02000,2),
340 ERASEINFO(0x08000,1),
341 ERASEINFO(0x10000,7)
342 }
343 }, {
344 .mfr_id = MANUFACTURER_AMD,
345 .dev_id = AM29LV400BT,
346 .name = "AMD AM29LV400BT",
347 .uaddr = {
348 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
349 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
350 },
351 .DevSize = SIZE_512KiB,
352 .CmdSet = P_ID_AMD_STD,
353 .NumEraseRegions= 4,
354 .regions = {
355 ERASEINFO(0x10000,7),
356 ERASEINFO(0x08000,1),
357 ERASEINFO(0x02000,2),
358 ERASEINFO(0x04000,1)
359 }
360 }, {
361 .mfr_id = MANUFACTURER_AMD,
362 .dev_id = AM29LV800BB,
363 .name = "AMD AM29LV800BB",
364 .uaddr = {
365 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
366 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
367 },
368 .DevSize = SIZE_1MiB,
369 .CmdSet = P_ID_AMD_STD,
370 .NumEraseRegions= 4,
371 .regions = {
372 ERASEINFO(0x04000,1),
373 ERASEINFO(0x02000,2),
374 ERASEINFO(0x08000,1),
375 ERASEINFO(0x10000,15),
376 }
377 }, {
378 /* add DL */
379 .mfr_id = MANUFACTURER_AMD,
380 .dev_id = AM29DL800BB,
381 .name = "AMD AM29DL800BB",
382 .uaddr = {
383 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
384 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
385 },
386 .DevSize = SIZE_1MiB,
387 .CmdSet = P_ID_AMD_STD,
388 .NumEraseRegions= 6,
389 .regions = {
390 ERASEINFO(0x04000,1),
391 ERASEINFO(0x08000,1),
392 ERASEINFO(0x02000,4),
393 ERASEINFO(0x08000,1),
394 ERASEINFO(0x04000,1),
395 ERASEINFO(0x10000,14)
396 }
397 }, {
398 .mfr_id = MANUFACTURER_AMD,
399 .dev_id = AM29DL800BT,
400 .name = "AMD AM29DL800BT",
401 .uaddr = {
402 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
403 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
404 },
405 .DevSize = SIZE_1MiB,
406 .CmdSet = P_ID_AMD_STD,
407 .NumEraseRegions= 6,
408 .regions = {
409 ERASEINFO(0x10000,14),
410 ERASEINFO(0x04000,1),
411 ERASEINFO(0x08000,1),
412 ERASEINFO(0x02000,4),
413 ERASEINFO(0x08000,1),
414 ERASEINFO(0x04000,1)
415 }
416 }, {
417 .mfr_id = MANUFACTURER_AMD,
418 .dev_id = AM29F800BB,
419 .name = "AMD AM29F800BB",
420 .uaddr = {
421 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
422 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
423 },
424 .DevSize = SIZE_1MiB,
425 .CmdSet = P_ID_AMD_STD,
426 .NumEraseRegions= 4,
427 .regions = {
428 ERASEINFO(0x04000,1),
429 ERASEINFO(0x02000,2),
430 ERASEINFO(0x08000,1),
431 ERASEINFO(0x10000,15),
432 }
433 }, {
434 .mfr_id = MANUFACTURER_AMD,
435 .dev_id = AM29LV800BT,
436 .name = "AMD AM29LV800BT",
437 .uaddr = {
438 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
439 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
440 },
441 .DevSize = SIZE_1MiB,
442 .CmdSet = P_ID_AMD_STD,
443 .NumEraseRegions= 4,
444 .regions = {
445 ERASEINFO(0x10000,15),
446 ERASEINFO(0x08000,1),
447 ERASEINFO(0x02000,2),
448 ERASEINFO(0x04000,1)
449 }
450 }, {
451 .mfr_id = MANUFACTURER_AMD,
452 .dev_id = AM29F800BT,
453 .name = "AMD AM29F800BT",
454 .uaddr = {
455 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
456 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
457 },
458 .DevSize = SIZE_1MiB,
459 .CmdSet = P_ID_AMD_STD,
460 .NumEraseRegions= 4,
461 .regions = {
462 ERASEINFO(0x10000,15),
463 ERASEINFO(0x08000,1),
464 ERASEINFO(0x02000,2),
465 ERASEINFO(0x04000,1)
466 }
467 }, {
468 .mfr_id = MANUFACTURER_AMD,
469 .dev_id = AM29F017D,
470 .name = "AMD AM29F017D",
471 .uaddr = {
472 [0] = MTD_UADDR_DONT_CARE /* x8 */
473 },
474 .DevSize = SIZE_2MiB,
475 .CmdSet = P_ID_AMD_STD,
476 .NumEraseRegions= 1,
477 .regions = {
478 ERASEINFO(0x10000,32),
479 }
480 }, {
481 .mfr_id = MANUFACTURER_AMD,
482 .dev_id = AM29F016D,
483 .name = "AMD AM29F016D",
484 .uaddr = {
485 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
486 },
487 .DevSize = SIZE_2MiB,
488 .CmdSet = P_ID_AMD_STD,
489 .NumEraseRegions= 1,
490 .regions = {
491 ERASEINFO(0x10000,32),
492 }
493 }, {
494 .mfr_id = MANUFACTURER_AMD,
495 .dev_id = AM29F080,
496 .name = "AMD AM29F080",
497 .uaddr = {
498 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
499 },
500 .DevSize = SIZE_1MiB,
501 .CmdSet = P_ID_AMD_STD,
502 .NumEraseRegions= 1,
503 .regions = {
504 ERASEINFO(0x10000,16),
505 }
506 }, {
507 .mfr_id = MANUFACTURER_AMD,
508 .dev_id = AM29F040,
509 .name = "AMD AM29F040",
510 .uaddr = {
511 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
512 },
513 .DevSize = SIZE_512KiB,
514 .CmdSet = P_ID_AMD_STD,
515 .NumEraseRegions= 1,
516 .regions = {
517 ERASEINFO(0x10000,8),
518 }
519 }, {
520 .mfr_id = MANUFACTURER_AMD,
521 .dev_id = AM29LV040B,
522 .name = "AMD AM29LV040B",
523 .uaddr = {
524 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
525 },
526 .DevSize = SIZE_512KiB,
527 .CmdSet = P_ID_AMD_STD,
528 .NumEraseRegions= 1,
529 .regions = {
530 ERASEINFO(0x10000,8),
531 }
532 }, {
533 .mfr_id = MANUFACTURER_AMD,
534 .dev_id = AM29F002T,
535 .name = "AMD AM29F002T",
536 .uaddr = {
537 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
538 },
539 .DevSize = SIZE_256KiB,
540 .CmdSet = P_ID_AMD_STD,
541 .NumEraseRegions= 4,
542 .regions = {
543 ERASEINFO(0x10000,3),
544 ERASEINFO(0x08000,1),
545 ERASEINFO(0x02000,2),
546 ERASEINFO(0x04000,1),
547 }
548 }, {
549 .mfr_id = MANUFACTURER_ATMEL,
550 .dev_id = AT49BV512,
551 .name = "Atmel AT49BV512",
552 .uaddr = {
553 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
554 },
555 .DevSize = SIZE_64KiB,
556 .CmdSet = P_ID_AMD_STD,
557 .NumEraseRegions= 1,
558 .regions = {
559 ERASEINFO(0x10000,1)
560 }
561 }, {
562 .mfr_id = MANUFACTURER_ATMEL,
563 .dev_id = AT29LV512,
564 .name = "Atmel AT29LV512",
565 .uaddr = {
566 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
567 },
568 .DevSize = SIZE_64KiB,
569 .CmdSet = P_ID_AMD_STD,
570 .NumEraseRegions= 1,
571 .regions = {
572 ERASEINFO(0x80,256),
573 ERASEINFO(0x80,256)
574 }
575 }, {
576 .mfr_id = MANUFACTURER_ATMEL,
577 .dev_id = AT49BV16X,
578 .name = "Atmel AT49BV16X",
579 .uaddr = {
580 [0] = MTD_UADDR_0x0555_0x0AAA, /* x8 */
581 [1] = MTD_UADDR_0x0555_0x0AAA /* x16 */
582 },
583 .DevSize = SIZE_2MiB,
584 .CmdSet = P_ID_AMD_STD,
585 .NumEraseRegions= 2,
586 .regions = {
587 ERASEINFO(0x02000,8),
588 ERASEINFO(0x10000,31)
589 }
590 }, {
591 .mfr_id = MANUFACTURER_ATMEL,
592 .dev_id = AT49BV16XT,
593 .name = "Atmel AT49BV16XT",
594 .uaddr = {
595 [0] = MTD_UADDR_0x0555_0x0AAA, /* x8 */
596 [1] = MTD_UADDR_0x0555_0x0AAA /* x16 */
597 },
598 .DevSize = SIZE_2MiB,
599 .CmdSet = P_ID_AMD_STD,
600 .NumEraseRegions= 2,
601 .regions = {
602 ERASEINFO(0x10000,31),
603 ERASEINFO(0x02000,8)
604 }
605 }, {
606 .mfr_id = MANUFACTURER_ATMEL,
607 .dev_id = AT49BV32X,
608 .name = "Atmel AT49BV32X",
609 .uaddr = {
610 [0] = MTD_UADDR_0x0555_0x0AAA, /* x8 */
611 [1] = MTD_UADDR_0x0555_0x0AAA /* x16 */
612 },
613 .DevSize = SIZE_4MiB,
614 .CmdSet = P_ID_AMD_STD,
615 .NumEraseRegions= 2,
616 .regions = {
617 ERASEINFO(0x02000,8),
618 ERASEINFO(0x10000,63)
619 }
620 }, {
621 .mfr_id = MANUFACTURER_ATMEL,
622 .dev_id = AT49BV32XT,
623 .name = "Atmel AT49BV32XT",
624 .uaddr = {
625 [0] = MTD_UADDR_0x0555_0x0AAA, /* x8 */
626 [1] = MTD_UADDR_0x0555_0x0AAA /* x16 */
627 },
628 .DevSize = SIZE_4MiB,
629 .CmdSet = P_ID_AMD_STD,
630 .NumEraseRegions= 2,
631 .regions = {
632 ERASEINFO(0x10000,63),
633 ERASEINFO(0x02000,8)
634 }
635 }, {
636 .mfr_id = MANUFACTURER_FUJITSU,
637 .dev_id = MBM29F040C,
638 .name = "Fujitsu MBM29F040C",
639 .uaddr = {
640 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
641 },
642 .DevSize = SIZE_512KiB,
643 .CmdSet = P_ID_AMD_STD,
644 .NumEraseRegions= 1,
645 .regions = {
646 ERASEINFO(0x10000,8)
647 }
648 }, {
649 .mfr_id = MANUFACTURER_FUJITSU,
650 .dev_id = MBM29F800BA,
651 .name = "Fujitsu MBM29F800BA",
652 .uaddr = {
653 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
654 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
655 },
656 .DevSize = SIZE_1MiB,
657 .CmdSet = P_ID_AMD_STD,
658 .NumEraseRegions= 4,
659 .regions = {
660 ERASEINFO(0x04000,1),
661 ERASEINFO(0x02000,2),
662 ERASEINFO(0x08000,1),
663 ERASEINFO(0x10000,15),
664 }
665 }, {
666 .mfr_id = MANUFACTURER_FUJITSU,
667 .dev_id = MBM29LV650UE,
668 .name = "Fujitsu MBM29LV650UE",
669 .uaddr = {
670 [0] = MTD_UADDR_DONT_CARE /* x16 */
671 },
672 .DevSize = SIZE_8MiB,
673 .CmdSet = P_ID_AMD_STD,
674 .NumEraseRegions= 1,
675 .regions = {
676 ERASEINFO(0x10000,128)
677 }
678 }, {
679 .mfr_id = MANUFACTURER_FUJITSU,
680 .dev_id = MBM29LV320TE,
681 .name = "Fujitsu MBM29LV320TE",
682 .uaddr = {
683 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
684 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
685 },
686 .DevSize = SIZE_4MiB,
687 .CmdSet = P_ID_AMD_STD,
688 .NumEraseRegions= 2,
689 .regions = {
690 ERASEINFO(0x10000,63),
691 ERASEINFO(0x02000,8)
692 }
693 }, {
694 .mfr_id = MANUFACTURER_FUJITSU,
695 .dev_id = MBM29LV320BE,
696 .name = "Fujitsu MBM29LV320BE",
697 .uaddr = {
698 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
699 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
700 },
701 .DevSize = SIZE_4MiB,
702 .CmdSet = P_ID_AMD_STD,
703 .NumEraseRegions= 2,
704 .regions = {
705 ERASEINFO(0x02000,8),
706 ERASEINFO(0x10000,63)
707 }
708 }, {
709 .mfr_id = MANUFACTURER_FUJITSU,
710 .dev_id = MBM29LV160TE,
711 .name = "Fujitsu MBM29LV160TE",
712 .uaddr = {
713 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
714 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
715 },
716 .DevSize = SIZE_2MiB,
717 .CmdSet = P_ID_AMD_STD,
718 .NumEraseRegions= 4,
719 .regions = {
720 ERASEINFO(0x10000,31),
721 ERASEINFO(0x08000,1),
722 ERASEINFO(0x02000,2),
723 ERASEINFO(0x04000,1)
724 }
725 }, {
726 .mfr_id = MANUFACTURER_FUJITSU,
727 .dev_id = MBM29LV160BE,
728 .name = "Fujitsu MBM29LV160BE",
729 .uaddr = {
730 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
731 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
732 },
733 .DevSize = SIZE_2MiB,
734 .CmdSet = P_ID_AMD_STD,
735 .NumEraseRegions= 4,
736 .regions = {
737 ERASEINFO(0x04000,1),
738 ERASEINFO(0x02000,2),
739 ERASEINFO(0x08000,1),
740 ERASEINFO(0x10000,31)
741 }
742 }, {
743 .mfr_id = MANUFACTURER_FUJITSU,
744 .dev_id = MBM29LV800BA,
745 .name = "Fujitsu MBM29LV800BA",
746 .uaddr = {
747 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
748 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
749 },
750 .DevSize = SIZE_1MiB,
751 .CmdSet = P_ID_AMD_STD,
752 .NumEraseRegions= 4,
753 .regions = {
754 ERASEINFO(0x04000,1),
755 ERASEINFO(0x02000,2),
756 ERASEINFO(0x08000,1),
757 ERASEINFO(0x10000,15)
758 }
759 }, {
760 .mfr_id = MANUFACTURER_FUJITSU,
761 .dev_id = MBM29LV800TA,
762 .name = "Fujitsu MBM29LV800TA",
763 .uaddr = {
764 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
765 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
766 },
767 .DevSize = SIZE_1MiB,
768 .CmdSet = P_ID_AMD_STD,
769 .NumEraseRegions= 4,
770 .regions = {
771 ERASEINFO(0x10000,15),
772 ERASEINFO(0x08000,1),
773 ERASEINFO(0x02000,2),
774 ERASEINFO(0x04000,1)
775 }
776 }, {
777 .mfr_id = MANUFACTURER_FUJITSU,
778 .dev_id = MBM29LV400BC,
779 .name = "Fujitsu MBM29LV400BC",
780 .uaddr = {
781 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
782 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
783 },
784 .DevSize = SIZE_512KiB,
785 .CmdSet = P_ID_AMD_STD,
786 .NumEraseRegions= 4,
787 .regions = {
788 ERASEINFO(0x04000,1),
789 ERASEINFO(0x02000,2),
790 ERASEINFO(0x08000,1),
791 ERASEINFO(0x10000,7)
792 }
793 }, {
794 .mfr_id = MANUFACTURER_FUJITSU,
795 .dev_id = MBM29LV400TC,
796 .name = "Fujitsu MBM29LV400TC",
797 .uaddr = {
798 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
799 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
800 },
801 .DevSize = SIZE_512KiB,
802 .CmdSet = P_ID_AMD_STD,
803 .NumEraseRegions= 4,
804 .regions = {
805 ERASEINFO(0x10000,7),
806 ERASEINFO(0x08000,1),
807 ERASEINFO(0x02000,2),
808 ERASEINFO(0x04000,1)
809 }
810 }, {
811 .mfr_id = MANUFACTURER_HYUNDAI,
812 .dev_id = HY29F002T,
813 .name = "Hyundai HY29F002T",
814 .uaddr = {
815 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
816 },
817 .DevSize = SIZE_256KiB,
818 .CmdSet = P_ID_AMD_STD,
819 .NumEraseRegions= 4,
820 .regions = {
821 ERASEINFO(0x10000,3),
822 ERASEINFO(0x08000,1),
823 ERASEINFO(0x02000,2),
824 ERASEINFO(0x04000,1),
825 }
826 }, {
827 .mfr_id = MANUFACTURER_INTEL,
828 .dev_id = I28F004B3B,
829 .name = "Intel 28F004B3B",
830 .uaddr = {
831 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
832 },
833 .DevSize = SIZE_512KiB,
834 .CmdSet = P_ID_INTEL_STD,
835 .NumEraseRegions= 2,
836 .regions = {
837 ERASEINFO(0x02000, 8),
838 ERASEINFO(0x10000, 7),
839 }
840 }, {
841 .mfr_id = MANUFACTURER_INTEL,
842 .dev_id = I28F004B3T,
843 .name = "Intel 28F004B3T",
844 .uaddr = {
845 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
846 },
847 .DevSize = SIZE_512KiB,
848 .CmdSet = P_ID_INTEL_STD,
849 .NumEraseRegions= 2,
850 .regions = {
851 ERASEINFO(0x10000, 7),
852 ERASEINFO(0x02000, 8),
853 }
854 }, {
855 .mfr_id = MANUFACTURER_INTEL,
856 .dev_id = I28F400B3B,
857 .name = "Intel 28F400B3B",
858 .uaddr = {
859 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
860 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
861 },
862 .DevSize = SIZE_512KiB,
863 .CmdSet = P_ID_INTEL_STD,
864 .NumEraseRegions= 2,
865 .regions = {
866 ERASEINFO(0x02000, 8),
867 ERASEINFO(0x10000, 7),
868 }
869 }, {
870 .mfr_id = MANUFACTURER_INTEL,
871 .dev_id = I28F400B3T,
872 .name = "Intel 28F400B3T",
873 .uaddr = {
874 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
875 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
876 },
877 .DevSize = SIZE_512KiB,
878 .CmdSet = P_ID_INTEL_STD,
879 .NumEraseRegions= 2,
880 .regions = {
881 ERASEINFO(0x10000, 7),
882 ERASEINFO(0x02000, 8),
883 }
884 }, {
885 .mfr_id = MANUFACTURER_INTEL,
886 .dev_id = I28F008B3B,
887 .name = "Intel 28F008B3B",
888 .uaddr = {
889 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
890 },
891 .DevSize = SIZE_1MiB,
892 .CmdSet = P_ID_INTEL_STD,
893 .NumEraseRegions= 2,
894 .regions = {
895 ERASEINFO(0x02000, 8),
896 ERASEINFO(0x10000, 15),
897 }
898 }, {
899 .mfr_id = MANUFACTURER_INTEL,
900 .dev_id = I28F008B3T,
901 .name = "Intel 28F008B3T",
902 .uaddr = {
903 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
904 },
905 .DevSize = SIZE_1MiB,
906 .CmdSet = P_ID_INTEL_STD,
907 .NumEraseRegions= 2,
908 .regions = {
909 ERASEINFO(0x10000, 15),
910 ERASEINFO(0x02000, 8),
911 }
912 }, {
913 .mfr_id = MANUFACTURER_INTEL,
914 .dev_id = I28F008S5,
915 .name = "Intel 28F008S5",
916 .uaddr = {
917 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
918 },
919 .DevSize = SIZE_1MiB,
920 .CmdSet = P_ID_INTEL_EXT,
921 .NumEraseRegions= 1,
922 .regions = {
923 ERASEINFO(0x10000,16),
924 }
925 }, {
926 .mfr_id = MANUFACTURER_INTEL,
927 .dev_id = I28F016S5,
928 .name = "Intel 28F016S5",
929 .uaddr = {
930 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
931 },
932 .DevSize = SIZE_2MiB,
933 .CmdSet = P_ID_INTEL_EXT,
934 .NumEraseRegions= 1,
935 .regions = {
936 ERASEINFO(0x10000,32),
937 }
938 }, {
939 .mfr_id = MANUFACTURER_INTEL,
940 .dev_id = I28F008SA,
941 .name = "Intel 28F008SA",
942 .uaddr = {
943 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
944 },
945 .DevSize = SIZE_1MiB,
946 .CmdSet = P_ID_INTEL_STD,
947 .NumEraseRegions= 1,
948 .regions = {
949 ERASEINFO(0x10000, 16),
950 }
951 }, {
952 .mfr_id = MANUFACTURER_INTEL,
953 .dev_id = I28F800B3B,
954 .name = "Intel 28F800B3B",
955 .uaddr = {
956 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
957 },
958 .DevSize = SIZE_1MiB,
959 .CmdSet = P_ID_INTEL_STD,
960 .NumEraseRegions= 2,
961 .regions = {
962 ERASEINFO(0x02000, 8),
963 ERASEINFO(0x10000, 15),
964 }
965 }, {
966 .mfr_id = MANUFACTURER_INTEL,
967 .dev_id = I28F800B3T,
968 .name = "Intel 28F800B3T",
969 .uaddr = {
970 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
971 },
972 .DevSize = SIZE_1MiB,
973 .CmdSet = P_ID_INTEL_STD,
974 .NumEraseRegions= 2,
975 .regions = {
976 ERASEINFO(0x10000, 15),
977 ERASEINFO(0x02000, 8),
978 }
979 }, {
980 .mfr_id = MANUFACTURER_INTEL,
981 .dev_id = I28F016B3B,
982 .name = "Intel 28F016B3B",
983 .uaddr = {
984 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
985 },
986 .DevSize = SIZE_2MiB,
987 .CmdSet = P_ID_INTEL_STD,
988 .NumEraseRegions= 2,
989 .regions = {
990 ERASEINFO(0x02000, 8),
991 ERASEINFO(0x10000, 31),
992 }
993 }, {
994 .mfr_id = MANUFACTURER_INTEL,
995 .dev_id = I28F016S3,
996 .name = "Intel I28F016S3",
997 .uaddr = {
998 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
999 },
1000 .DevSize = SIZE_2MiB,
1001 .CmdSet = P_ID_INTEL_STD,
1002 .NumEraseRegions= 1,
1003 .regions = {
1004 ERASEINFO(0x10000, 32),
1005 }
1006 }, {
1007 .mfr_id = MANUFACTURER_INTEL,
1008 .dev_id = I28F016B3T,
1009 .name = "Intel 28F016B3T",
1010 .uaddr = {
1011 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
1012 },
1013 .DevSize = SIZE_2MiB,
1014 .CmdSet = P_ID_INTEL_STD,
1015 .NumEraseRegions= 2,
1016 .regions = {
1017 ERASEINFO(0x10000, 31),
1018 ERASEINFO(0x02000, 8),
1019 }
1020 }, {
1021 .mfr_id = MANUFACTURER_INTEL,
1022 .dev_id = I28F160B3B,
1023 .name = "Intel 28F160B3B",
1024 .uaddr = {
1025 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
1026 },
1027 .DevSize = SIZE_2MiB,
1028 .CmdSet = P_ID_INTEL_STD,
1029 .NumEraseRegions= 2,
1030 .regions = {
1031 ERASEINFO(0x02000, 8),
1032 ERASEINFO(0x10000, 31),
1033 }
1034 }, {
1035 .mfr_id = MANUFACTURER_INTEL,
1036 .dev_id = I28F160B3T,
1037 .name = "Intel 28F160B3T",
1038 .uaddr = {
1039 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
1040 },
1041 .DevSize = SIZE_2MiB,
1042 .CmdSet = P_ID_INTEL_STD,
1043 .NumEraseRegions= 2,
1044 .regions = {
1045 ERASEINFO(0x10000, 31),
1046 ERASEINFO(0x02000, 8),
1047 }
1048 }, {
1049 .mfr_id = MANUFACTURER_INTEL,
1050 .dev_id = I28F320B3B,
1051 .name = "Intel 28F320B3B",
1052 .uaddr = {
1053 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
1054 },
1055 .DevSize = SIZE_4MiB,
1056 .CmdSet = P_ID_INTEL_STD,
1057 .NumEraseRegions= 2,
1058 .regions = {
1059 ERASEINFO(0x02000, 8),
1060 ERASEINFO(0x10000, 63),
1061 }
1062 }, {
1063 .mfr_id = MANUFACTURER_INTEL,
1064 .dev_id = I28F320B3T,
1065 .name = "Intel 28F320B3T",
1066 .uaddr = {
1067 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
1068 },
1069 .DevSize = SIZE_4MiB,
1070 .CmdSet = P_ID_INTEL_STD,
1071 .NumEraseRegions= 2,
1072 .regions = {
1073 ERASEINFO(0x10000, 63),
1074 ERASEINFO(0x02000, 8),
1075 }
1076 }, {
1077 .mfr_id = MANUFACTURER_INTEL,
1078 .dev_id = I28F640B3B,
1079 .name = "Intel 28F640B3B",
1080 .uaddr = {
1081 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
1082 },
1083 .DevSize = SIZE_8MiB,
1084 .CmdSet = P_ID_INTEL_STD,
1085 .NumEraseRegions= 2,
1086 .regions = {
1087 ERASEINFO(0x02000, 8),
1088 ERASEINFO(0x10000, 127),
1089 }
1090 }, {
1091 .mfr_id = MANUFACTURER_INTEL,
1092 .dev_id = I28F640B3T,
1093 .name = "Intel 28F640B3T",
1094 .uaddr = {
1095 [1] = MTD_UADDR_UNNECESSARY, /* x16 */
1096 },
1097 .DevSize = SIZE_8MiB,
1098 .CmdSet = P_ID_INTEL_STD,
1099 .NumEraseRegions= 2,
1100 .regions = {
1101 ERASEINFO(0x10000, 127),
1102 ERASEINFO(0x02000, 8),
1103 }
1104 }, {
1105 .mfr_id = MANUFACTURER_INTEL,
1106 .dev_id = I82802AB,
1107 .name = "Intel 82802AB",
1108 .uaddr = {
1109 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
1110 },
1111 .DevSize = SIZE_512KiB,
1112 .CmdSet = P_ID_INTEL_EXT,
1113 .NumEraseRegions= 1,
1114 .regions = {
1115 ERASEINFO(0x10000,8),
1116 }
1117 }, {
1118 .mfr_id = MANUFACTURER_INTEL,
1119 .dev_id = I82802AC,
1120 .name = "Intel 82802AC",
1121 .uaddr = {
1122 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
1123 },
1124 .DevSize = SIZE_1MiB,
1125 .CmdSet = P_ID_INTEL_EXT,
1126 .NumEraseRegions= 1,
1127 .regions = {
1128 ERASEINFO(0x10000,16),
1129 }
1130 }, {
1131 .mfr_id = MANUFACTURER_MACRONIX,
1132 .dev_id = MX29LV040C,
1133 .name = "Macronix MX29LV040C",
1134 .uaddr = {
1135 [0] = MTD_UADDR_0x0555_0x02AA, /* x8 */
1136 },
1137 .DevSize = SIZE_512KiB,
1138 .CmdSet = P_ID_AMD_STD,
1139 .NumEraseRegions= 1,
1140 .regions = {
1141 ERASEINFO(0x10000,8),
1142 }
1143 }, {
1144 .mfr_id = MANUFACTURER_MACRONIX,
1145 .dev_id = MX29LV160T,
1146 .name = "MXIC MX29LV160T",
1147 .uaddr = {
1148 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
1149 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
1150 },
1151 .DevSize = SIZE_2MiB,
1152 .CmdSet = P_ID_AMD_STD,
1153 .NumEraseRegions= 4,
1154 .regions = {
1155 ERASEINFO(0x10000,31),
1156 ERASEINFO(0x08000,1),
1157 ERASEINFO(0x02000,2),
1158 ERASEINFO(0x04000,1)
1159 }
1160 }, {
1161 .mfr_id = MANUFACTURER_NEC,
1162 .dev_id = UPD29F064115,
1163 .name = "NEC uPD29F064115",
1164 .uaddr = {
1165 [0] = MTD_UADDR_0x0555_0x02AA, /* x8 */
1166 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
1167 },
1168 .DevSize = SIZE_8MiB,
1169 .CmdSet = P_ID_AMD_STD,
1170 .NumEraseRegions= 3,
1171 .regions = {
1172 ERASEINFO(0x2000,8),
1173 ERASEINFO(0x10000,126),
1174 ERASEINFO(0x2000,8),
1175 }
1176 }, {
1177 .mfr_id = MANUFACTURER_MACRONIX,
1178 .dev_id = MX29LV160B,
1179 .name = "MXIC MX29LV160B",
1180 .uaddr = {
1181 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
1182 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
1183 },
1184 .DevSize = SIZE_2MiB,
1185 .CmdSet = P_ID_AMD_STD,
1186 .NumEraseRegions= 4,
1187 .regions = {
1188 ERASEINFO(0x04000,1),
1189 ERASEINFO(0x02000,2),
1190 ERASEINFO(0x08000,1),
1191 ERASEINFO(0x10000,31)
1192 }
1193 }, {
1194 .mfr_id = MANUFACTURER_MACRONIX,
1195 .dev_id = MX29F040,
1196 .name = "Macronix MX29F040",
1197 .uaddr = {
1198 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
1199 },
1200 .DevSize = SIZE_512KiB,
1201 .CmdSet = P_ID_AMD_STD,
1202 .NumEraseRegions= 1,
1203 .regions = {
1204 ERASEINFO(0x10000,8),
1205 }
1206 }, {
1207 .mfr_id = MANUFACTURER_MACRONIX,
1208 .dev_id = MX29F016,
1209 .name = "Macronix MX29F016",
1210 .uaddr = {
1211 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
1212 },
1213 .DevSize = SIZE_2MiB,
1214 .CmdSet = P_ID_AMD_STD,
1215 .NumEraseRegions= 1,
1216 .regions = {
1217 ERASEINFO(0x10000,32),
1218 }
1219 }, {
1220 .mfr_id = MANUFACTURER_MACRONIX,
1221 .dev_id = MX29F004T,
1222 .name = "Macronix MX29F004T",
1223 .uaddr = {
1224 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
1225 },
1226 .DevSize = SIZE_512KiB,
1227 .CmdSet = P_ID_AMD_STD,
1228 .NumEraseRegions= 4,
1229 .regions = {
1230 ERASEINFO(0x10000,7),
1231 ERASEINFO(0x08000,1),
1232 ERASEINFO(0x02000,2),
1233 ERASEINFO(0x04000,1),
1234 }
1235 }, {
1236 .mfr_id = MANUFACTURER_MACRONIX,
1237 .dev_id = MX29F004B,
1238 .name = "Macronix MX29F004B",
1239 .uaddr = {
1240 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
1241 },
1242 .DevSize = SIZE_512KiB,
1243 .CmdSet = P_ID_AMD_STD,
1244 .NumEraseRegions= 4,
1245 .regions = {
1246 ERASEINFO(0x04000,1),
1247 ERASEINFO(0x02000,2),
1248 ERASEINFO(0x08000,1),
1249 ERASEINFO(0x10000,7),
1250 }
1251 }, {
1252 .mfr_id = MANUFACTURER_MACRONIX,
1253 .dev_id = MX29F002T,
1254 .name = "Macronix MX29F002T",
1255 .uaddr = {
1256 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
1257 },
1258 .DevSize = SIZE_256KiB,
1259 .CmdSet = P_ID_AMD_STD,
1260 .NumEraseRegions= 4,
1261 .regions = {
1262 ERASEINFO(0x10000,3),
1263 ERASEINFO(0x08000,1),
1264 ERASEINFO(0x02000,2),
1265 ERASEINFO(0x04000,1),
1266 }
1267 }, {
1268 .mfr_id = MANUFACTURER_PMC,
1269 .dev_id = PM49FL002,
1270 .name = "PMC Pm49FL002",
1271 .uaddr = {
1272 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1273 },
1274 .DevSize = SIZE_256KiB,
1275 .CmdSet = P_ID_AMD_STD,
1276 .NumEraseRegions= 1,
1277 .regions = {
1278 ERASEINFO( 0x01000, 64 )
1279 }
1280 }, {
1281 .mfr_id = MANUFACTURER_PMC,
1282 .dev_id = PM49FL004,
1283 .name = "PMC Pm49FL004",
1284 .uaddr = {
1285 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1286 },
1287 .DevSize = SIZE_512KiB,
1288 .CmdSet = P_ID_AMD_STD,
1289 .NumEraseRegions= 1,
1290 .regions = {
1291 ERASEINFO( 0x01000, 128 )
1292 }
1293 }, {
1294 .mfr_id = MANUFACTURER_PMC,
1295 .dev_id = PM49FL008,
1296 .name = "PMC Pm49FL008",
1297 .uaddr = {
1298 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1299 },
1300 .DevSize = SIZE_1MiB,
1301 .CmdSet = P_ID_AMD_STD,
1302 .NumEraseRegions= 1,
1303 .regions = {
1304 ERASEINFO( 0x01000, 256 )
1305 }
1306 }, {
1307 .mfr_id = MANUFACTURER_SHARP,
1308 .dev_id = LH28F640BF,
1309 .name = "LH28F640BF",
1310 .uaddr = {
1311 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
1312 },
1313 .DevSize = SIZE_4MiB,
1314 .CmdSet = P_ID_INTEL_STD,
1315 .NumEraseRegions= 1,
1316 .regions = {
1317 ERASEINFO(0x40000,16),
1318 }
1319 }, {
1320 .mfr_id = MANUFACTURER_SST,
1321 .dev_id = SST39LF512,
1322 .name = "SST 39LF512",
1323 .uaddr = {
1324 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1325 },
1326 .DevSize = SIZE_64KiB,
1327 .CmdSet = P_ID_AMD_STD,
1328 .NumEraseRegions= 1,
1329 .regions = {
1330 ERASEINFO(0x01000,16),
1331 }
1332 }, {
1333 .mfr_id = MANUFACTURER_SST,
1334 .dev_id = SST39LF010,
1335 .name = "SST 39LF010",
1336 .uaddr = {
1337 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1338 },
1339 .DevSize = SIZE_128KiB,
1340 .CmdSet = P_ID_AMD_STD,
1341 .NumEraseRegions= 1,
1342 .regions = {
1343 ERASEINFO(0x01000,32),
1344 }
1345 }, {
1346 .mfr_id = MANUFACTURER_SST,
1347 .dev_id = SST29EE020,
1348 .name = "SST 29EE020",
1349 .uaddr = {
1350 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1351 },
1352 .DevSize = SIZE_256KiB,
1353 .CmdSet = P_ID_SST_PAGE,
1354 .NumEraseRegions= 1,
1355 .regions = {ERASEINFO(0x01000,64),
1356 }
1357 }, {
1358 .mfr_id = MANUFACTURER_SST,
1359 .dev_id = SST29LE020,
1360 .name = "SST 29LE020",
1361 .uaddr = {
1362 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1363 },
1364 .DevSize = SIZE_256KiB,
1365 .CmdSet = P_ID_SST_PAGE,
1366 .NumEraseRegions= 1,
1367 .regions = {ERASEINFO(0x01000,64),
1368 }
1369 }, {
1370 .mfr_id = MANUFACTURER_SST,
1371 .dev_id = SST39LF020,
1372 .name = "SST 39LF020",
1373 .uaddr = {
1374 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1375 },
1376 .DevSize = SIZE_256KiB,
1377 .CmdSet = P_ID_AMD_STD,
1378 .NumEraseRegions= 1,
1379 .regions = {
1380 ERASEINFO(0x01000,64),
1381 }
1382 }, {
1383 .mfr_id = MANUFACTURER_SST,
1384 .dev_id = SST39LF040,
1385 .name = "SST 39LF040",
1386 .uaddr = {
1387 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1388 },
1389 .DevSize = SIZE_512KiB,
1390 .CmdSet = P_ID_AMD_STD,
1391 .NumEraseRegions= 1,
1392 .regions = {
1393 ERASEINFO(0x01000,128),
1394 }
1395 }, {
1396 .mfr_id = MANUFACTURER_SST,
1397 .dev_id = SST39SF010A,
1398 .name = "SST 39SF010A",
1399 .uaddr = {
1400 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1401 },
1402 .DevSize = SIZE_128KiB,
1403 .CmdSet = P_ID_AMD_STD,
1404 .NumEraseRegions= 1,
1405 .regions = {
1406 ERASEINFO(0x01000,32),
1407 }
1408 }, {
1409 .mfr_id = MANUFACTURER_SST,
1410 .dev_id = SST39SF020A,
1411 .name = "SST 39SF020A",
1412 .uaddr = {
1413 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1414 },
1415 .DevSize = SIZE_256KiB,
1416 .CmdSet = P_ID_AMD_STD,
1417 .NumEraseRegions= 1,
1418 .regions = {
1419 ERASEINFO(0x01000,64),
1420 }
1421 }, {
1422 .mfr_id = MANUFACTURER_SST,
1423 .dev_id = SST49LF040B,
1424 .name = "SST 49LF040B",
1425 .uaddr = {
1426 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1427 },
1428 .DevSize = SIZE_512KiB,
1429 .CmdSet = P_ID_AMD_STD,
1430 .NumEraseRegions= 1,
1431 .regions = {
1432 ERASEINFO(0x01000,128),
1433 }
1434 }, {
1435
1436 .mfr_id = MANUFACTURER_SST,
1437 .dev_id = SST49LF004B,
1438 .name = "SST 49LF004B",
1439 .uaddr = {
1440 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1441 },
1442 .DevSize = SIZE_512KiB,
1443 .CmdSet = P_ID_AMD_STD,
1444 .NumEraseRegions= 1,
1445 .regions = {
1446 ERASEINFO(0x01000,128),
1447 }
1448 }, {
1449 .mfr_id = MANUFACTURER_SST,
1450 .dev_id = SST49LF008A,
1451 .name = "SST 49LF008A",
1452 .uaddr = {
1453 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1454 },
1455 .DevSize = SIZE_1MiB,
1456 .CmdSet = P_ID_AMD_STD,
1457 .NumEraseRegions= 1,
1458 .regions = {
1459 ERASEINFO(0x01000,256),
1460 }
1461 }, {
1462 .mfr_id = MANUFACTURER_SST,
1463 .dev_id = SST49LF030A,
1464 .name = "SST 49LF030A",
1465 .uaddr = {
1466 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1467 },
1468 .DevSize = SIZE_512KiB,
1469 .CmdSet = P_ID_AMD_STD,
1470 .NumEraseRegions= 1,
1471 .regions = {
1472 ERASEINFO(0x01000,96),
1473 }
1474 }, {
1475 .mfr_id = MANUFACTURER_SST,
1476 .dev_id = SST49LF040A,
1477 .name = "SST 49LF040A",
1478 .uaddr = {
1479 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1480 },
1481 .DevSize = SIZE_512KiB,
1482 .CmdSet = P_ID_AMD_STD,
1483 .NumEraseRegions= 1,
1484 .regions = {
1485 ERASEINFO(0x01000,128),
1486 }
1487 }, {
1488 .mfr_id = MANUFACTURER_SST,
1489 .dev_id = SST49LF080A,
1490 .name = "SST 49LF080A",
1491 .uaddr = {
1492 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1493 },
1494 .DevSize = SIZE_1MiB,
1495 .CmdSet = P_ID_AMD_STD,
1496 .NumEraseRegions= 1,
1497 .regions = {
1498 ERASEINFO(0x01000,256),
1499 }
1500 }, {
1501 .mfr_id = MANUFACTURER_SST, /* should be CFI */
1502 .dev_id = SST39LF160,
1503 .name = "SST 39LF160",
1504 .uaddr = {
1505 [0] = MTD_UADDR_0x5555_0x2AAA, /* x8 */
1506 [1] = MTD_UADDR_0x5555_0x2AAA /* x16 */
1507 },
1508 .DevSize = SIZE_2MiB,
1509 .CmdSet = P_ID_AMD_STD,
1510 .NumEraseRegions= 2,
1511 .regions = {
1512 ERASEINFO(0x1000,256),
1513 ERASEINFO(0x1000,256)
1514 }
1515 }, {
1516 .mfr_id = MANUFACTURER_SST, /* should be CFI */
1517 .dev_id = SST39VF1601,
1518 .name = "SST 39VF1601",
1519 .uaddr = {
1520 [0] = MTD_UADDR_0x5555_0x2AAA, /* x8 */
1521 [1] = MTD_UADDR_0x5555_0x2AAA /* x16 */
1522 },
1523 .DevSize = SIZE_2MiB,
1524 .CmdSet = P_ID_AMD_STD,
1525 .NumEraseRegions= 2,
1526 .regions = {
1527 ERASEINFO(0x1000,256),
1528 ERASEINFO(0x1000,256)
1529 }
1530 }, {
1531 .mfr_id = MANUFACTURER_SST, /* should be CFI */
1532 .dev_id = SST39VF1601,
1533 .name = "SST 39VF1601",
1534 .uaddr = {
1535 [0] = MTD_UADDR_0x5555_0x2AAA, /* x8 */
1536 [1] = MTD_UADDR_0x5555_0x2AAA /* x16 */
1537 },
1538 .DevSize = SIZE_2MiB,
1539 .CmdSet = P_ID_AMD_STD,
1540 .NumEraseRegions= 2,
1541 .regions = {
1542 ERASEINFO(0x1000,256),
1543 ERASEINFO(0x1000,256)
1544 }
1545
1546 }, {
1547 .mfr_id = MANUFACTURER_ST,
1548 .dev_id = M29F800AB,
1549 .name = "ST M29F800AB",
1550 .uaddr = {
1551 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
1552 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
1553 },
1554 .DevSize = SIZE_1MiB,
1555 .CmdSet = P_ID_AMD_STD,
1556 .NumEraseRegions= 4,
1557 .regions = {
1558 ERASEINFO(0x04000,1),
1559 ERASEINFO(0x02000,2),
1560 ERASEINFO(0x08000,1),
1561 ERASEINFO(0x10000,15),
1562 }
1563 }, {
1564 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1565 .dev_id = M29W800DT,
1566 .name = "ST M29W800DT",
1567 .uaddr = {
1568 [0] = MTD_UADDR_0x5555_0x2AAA, /* x8 */
1569 [1] = MTD_UADDR_0x5555_0x2AAA /* x16 */
1570 },
1571 .DevSize = SIZE_1MiB,
1572 .CmdSet = P_ID_AMD_STD,
1573 .NumEraseRegions= 4,
1574 .regions = {
1575 ERASEINFO(0x10000,15),
1576 ERASEINFO(0x08000,1),
1577 ERASEINFO(0x02000,2),
1578 ERASEINFO(0x04000,1)
1579 }
1580 }, {
1581 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1582 .dev_id = M29W800DB,
1583 .name = "ST M29W800DB",
1584 .uaddr = {
1585 [0] = MTD_UADDR_0x5555_0x2AAA, /* x8 */
1586 [1] = MTD_UADDR_0x5555_0x2AAA /* x16 */
1587 },
1588 .DevSize = SIZE_1MiB,
1589 .CmdSet = P_ID_AMD_STD,
1590 .NumEraseRegions= 4,
1591 .regions = {
1592 ERASEINFO(0x04000,1),
1593 ERASEINFO(0x02000,2),
1594 ERASEINFO(0x08000,1),
1595 ERASEINFO(0x10000,15)
1596 }
1597 }, {
1598 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1599 .dev_id = M29W160DT,
1600 .name = "ST M29W160DT",
1601 .uaddr = {
1602 [0] = MTD_UADDR_0x0555_0x02AA, /* x8 */
1603 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
1604 },
1605 .DevSize = SIZE_2MiB,
1606 .CmdSet = P_ID_AMD_STD,
1607 .NumEraseRegions= 4,
1608 .regions = {
1609 ERASEINFO(0x10000,31),
1610 ERASEINFO(0x08000,1),
1611 ERASEINFO(0x02000,2),
1612 ERASEINFO(0x04000,1)
1613 }
1614 }, {
1615 .mfr_id = MANUFACTURER_ST, /* FIXME - CFI device? */
1616 .dev_id = M29W160DB,
1617 .name = "ST M29W160DB",
1618 .uaddr = {
1619 [0] = MTD_UADDR_0x0555_0x02AA, /* x8 */
1620 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
1621 },
1622 .DevSize = SIZE_2MiB,
1623 .CmdSet = P_ID_AMD_STD,
1624 .NumEraseRegions= 4,
1625 .regions = {
1626 ERASEINFO(0x04000,1),
1627 ERASEINFO(0x02000,2),
1628 ERASEINFO(0x08000,1),
1629 ERASEINFO(0x10000,31)
1630 }
1631 }, {
1632 .mfr_id = MANUFACTURER_ST,
1633 .dev_id = M29W040B,
1634 .name = "ST M29W040B",
1635 .uaddr = {
1636 [0] = MTD_UADDR_0x0555_0x02AA /* x8 */
1637 },
1638 .DevSize = SIZE_512KiB,
1639 .CmdSet = P_ID_AMD_STD,
1640 .NumEraseRegions= 1,
1641 .regions = {
1642 ERASEINFO(0x10000,8),
1643 }
1644 }, {
1645 .mfr_id = MANUFACTURER_ST,
1646 .dev_id = M50FW040,
1647 .name = "ST M50FW040",
1648 .uaddr = {
1649 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
1650 },
1651 .DevSize = SIZE_512KiB,
1652 .CmdSet = P_ID_INTEL_EXT,
1653 .NumEraseRegions= 1,
1654 .regions = {
1655 ERASEINFO(0x10000,8),
1656 }
1657 }, {
1658 .mfr_id = MANUFACTURER_ST,
1659 .dev_id = M50FW080,
1660 .name = "ST M50FW080",
1661 .uaddr = {
1662 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
1663 },
1664 .DevSize = SIZE_1MiB,
1665 .CmdSet = P_ID_INTEL_EXT,
1666 .NumEraseRegions= 1,
1667 .regions = {
1668 ERASEINFO(0x10000,16),
1669 }
1670 }, {
1671 .mfr_id = MANUFACTURER_ST,
1672 .dev_id = M50FW016,
1673 .name = "ST M50FW016",
1674 .uaddr = {
1675 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
1676 },
1677 .DevSize = SIZE_2MiB,
1678 .CmdSet = P_ID_INTEL_EXT,
1679 .NumEraseRegions= 1,
1680 .regions = {
1681 ERASEINFO(0x10000,32),
1682 }
1683 }, {
1684 .mfr_id = MANUFACTURER_ST,
1685 .dev_id = M50LPW080,
1686 .name = "ST M50LPW080",
1687 .uaddr = {
1688 [0] = MTD_UADDR_UNNECESSARY, /* x8 */
1689 },
1690 .DevSize = SIZE_1MiB,
1691 .CmdSet = P_ID_INTEL_EXT,
1692 .NumEraseRegions= 1,
1693 .regions = {
1694 ERASEINFO(0x10000,16),
1695 }
1696 }, {
1697 .mfr_id = MANUFACTURER_TOSHIBA,
1698 .dev_id = TC58FVT160,
1699 .name = "Toshiba TC58FVT160",
1700 .uaddr = {
1701 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
1702 [1] = MTD_UADDR_0x0555_0x02AA /* x16 */
1703 },
1704 .DevSize = SIZE_2MiB,
1705 .CmdSet = P_ID_AMD_STD,
1706 .NumEraseRegions= 4,
1707 .regions = {
1708 ERASEINFO(0x10000,31),
1709 ERASEINFO(0x08000,1),
1710 ERASEINFO(0x02000,2),
1711 ERASEINFO(0x04000,1)
1712 }
1713 }, {
1714 .mfr_id = MANUFACTURER_TOSHIBA,
1715 .dev_id = TC58FVB160,
1716 .name = "Toshiba TC58FVB160",
1717 .uaddr = {
1718 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
1719 [1] = MTD_UADDR_0x0555_0x02AA /* x16 */
1720 },
1721 .DevSize = SIZE_2MiB,
1722 .CmdSet = P_ID_AMD_STD,
1723 .NumEraseRegions= 4,
1724 .regions = {
1725 ERASEINFO(0x04000,1),
1726 ERASEINFO(0x02000,2),
1727 ERASEINFO(0x08000,1),
1728 ERASEINFO(0x10000,31)
1729 }
1730 }, {
1731 .mfr_id = MANUFACTURER_TOSHIBA,
1732 .dev_id = TC58FVB321,
1733 .name = "Toshiba TC58FVB321",
1734 .uaddr = {
1735 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
1736 [1] = MTD_UADDR_0x0555_0x02AA /* x16 */
1737 },
1738 .DevSize = SIZE_4MiB,
1739 .CmdSet = P_ID_AMD_STD,
1740 .NumEraseRegions= 2,
1741 .regions = {
1742 ERASEINFO(0x02000,8),
1743 ERASEINFO(0x10000,63)
1744 }
1745 }, {
1746 .mfr_id = MANUFACTURER_TOSHIBA,
1747 .dev_id = TC58FVT321,
1748 .name = "Toshiba TC58FVT321",
1749 .uaddr = {
1750 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
1751 [1] = MTD_UADDR_0x0555_0x02AA /* x16 */
1752 },
1753 .DevSize = SIZE_4MiB,
1754 .CmdSet = P_ID_AMD_STD,
1755 .NumEraseRegions= 2,
1756 .regions = {
1757 ERASEINFO(0x10000,63),
1758 ERASEINFO(0x02000,8)
1759 }
1760 }, {
1761 .mfr_id = MANUFACTURER_TOSHIBA,
1762 .dev_id = TC58FVB641,
1763 .name = "Toshiba TC58FVB641",
1764 .uaddr = {
1765 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
1766 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
1767 },
1768 .DevSize = SIZE_8MiB,
1769 .CmdSet = P_ID_AMD_STD,
1770 .NumEraseRegions= 2,
1771 .regions = {
1772 ERASEINFO(0x02000,8),
1773 ERASEINFO(0x10000,127)
1774 }
1775 }, {
1776 .mfr_id = MANUFACTURER_TOSHIBA,
1777 .dev_id = TC58FVT641,
1778 .name = "Toshiba TC58FVT641",
1779 .uaddr = {
1780 [0] = MTD_UADDR_0x0AAA_0x0555, /* x8 */
1781 [1] = MTD_UADDR_0x0555_0x02AA, /* x16 */
1782 },
1783 .DevSize = SIZE_8MiB,
1784 .CmdSet = P_ID_AMD_STD,
1785 .NumEraseRegions= 2,
1786 .regions = {
1787 ERASEINFO(0x10000,127),
1788 ERASEINFO(0x02000,8)
1789 }
1790 }, {
1791 .mfr_id = MANUFACTURER_WINBOND,
1792 .dev_id = W49V002A,
1793 .name = "Winbond W49V002A",
1794 .uaddr = {
1795 [0] = MTD_UADDR_0x5555_0x2AAA /* x8 */
1796 },
1797 .DevSize = SIZE_256KiB,
1798 .CmdSet = P_ID_AMD_STD,
1799 .NumEraseRegions= 4,
1800 .regions = {
1801 ERASEINFO(0x10000, 3),
1802 ERASEINFO(0x08000, 1),
1803 ERASEINFO(0x02000, 2),
1804 ERASEINFO(0x04000, 1),
1805 }
1806 }
1807 };
1808
1809
1810 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index);
1811
1812 static int jedec_probe_chip(struct map_info *map, __u32 base,
1813 unsigned long *chip_map, struct cfi_private *cfi);
1814
1815 static struct mtd_info *jedec_probe(struct map_info *map);
1816
1817 static inline u32 jedec_read_mfr(struct map_info *map, __u32 base,
1818 struct cfi_private *cfi)
1819 {
1820 map_word result;
1821 unsigned long mask;
1822 u32 ofs = cfi_build_cmd_addr(0, cfi_interleave(cfi), cfi->device_type);
1823 mask = (1 << (cfi->device_type * 8)) -1;
1824 result = map_read(map, base + ofs);
1825 return result.x[0] & mask;
1826 }
1827
1828 static inline u32 jedec_read_id(struct map_info *map, __u32 base,
1829 struct cfi_private *cfi)
1830 {
1831 map_word result;
1832 unsigned long mask;
1833 u32 ofs = cfi_build_cmd_addr(1, cfi_interleave(cfi), cfi->device_type);
1834 mask = (1 << (cfi->device_type * 8)) -1;
1835 result = map_read(map, base + ofs);
1836 return result.x[0] & mask;
1837 }
1838
1839 static inline void jedec_reset(u32 base, struct map_info *map,
1840 struct cfi_private *cfi)
1841 {
1842 /* Reset */
1843
1844 /* after checking the datasheets for SST, MACRONIX and ATMEL
1845 * (oh and incidentaly the jedec spec - 3.5.3.3) the reset
1846 * sequence is *supposed* to be 0xaa at 0x5555, 0x55 at
1847 * 0x2aaa, 0xF0 at 0x5555 this will not affect the AMD chips
1848 * as they will ignore the writes and dont care what address
1849 * the F0 is written to */
1850 if(cfi->addr_unlock1) {
1851 DEBUG( MTD_DEBUG_LEVEL3,
1852 "reset unlock called %x %x \n",
1853 cfi->addr_unlock1,cfi->addr_unlock2);
1854 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1855 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
1856 }
1857
1858 cfi_send_gen_cmd(0xF0, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
1859 /* Some misdesigned intel chips do not respond for 0xF0 for a reset,
1860 * so ensure we're in read mode. Send both the Intel and the AMD command
1861 * for this. Intel uses 0xff for this, AMD uses 0xff for NOP, so
1862 * this should be safe.
1863 */
1864 cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
1865 /* FIXME - should have reset delay before continuing */
1866 }
1867
1868
1869 static inline __u8 finfo_uaddr(const struct amd_flash_info *finfo, int device_type)
1870 {
1871 int uaddr_idx;
1872 __u8 uaddr = MTD_UADDR_NOT_SUPPORTED;
1873
1874 switch ( device_type ) {
1875 case CFI_DEVICETYPE_X8: uaddr_idx = 0; break;
1876 case CFI_DEVICETYPE_X16: uaddr_idx = 1; break;
1877 case CFI_DEVICETYPE_X32: uaddr_idx = 2; break;
1878 default:
1879 printk(KERN_NOTICE "MTD: %s(): unknown device_type %d\n",
1880 __func__, device_type);
1881 goto uaddr_done;
1882 }
1883
1884 uaddr = finfo->uaddr[uaddr_idx];
1885
1886 if (uaddr != MTD_UADDR_NOT_SUPPORTED ) {
1887 /* ASSERT("The unlock addresses for non-8-bit mode
1888 are bollocks. We don't really need an array."); */
1889 uaddr = finfo->uaddr[0];
1890 }
1891
1892 uaddr_done:
1893 return uaddr;
1894 }
1895
1896
1897 static int cfi_jedec_setup(struct cfi_private *p_cfi, int index)
1898 {
1899 int i,num_erase_regions;
1900 __u8 uaddr;
1901
1902 printk("Found: %s\n",jedec_table[index].name);
1903
1904 num_erase_regions = jedec_table[index].NumEraseRegions;
1905
1906 p_cfi->cfiq = kmalloc(sizeof(struct cfi_ident) + num_erase_regions * 4, GFP_KERNEL);
1907 if (!p_cfi->cfiq) {
1908 //xx printk(KERN_WARNING "%s: kmalloc failed for CFI ident structure\n", map->name);
1909 return 0;
1910 }
1911
1912 memset(p_cfi->cfiq,0,sizeof(struct cfi_ident));
1913
1914 p_cfi->cfiq->P_ID = jedec_table[index].CmdSet;
1915 p_cfi->cfiq->NumEraseRegions = jedec_table[index].NumEraseRegions;
1916 p_cfi->cfiq->DevSize = jedec_table[index].DevSize;
1917 p_cfi->cfi_mode = CFI_MODE_JEDEC;
1918
1919 for (i=0; i<num_erase_regions; i++){
1920 p_cfi->cfiq->EraseRegionInfo[i] = jedec_table[index].regions[i];
1921 }
1922 p_cfi->cmdset_priv = NULL;
1923
1924 /* This may be redundant for some cases, but it doesn't hurt */
1925 p_cfi->mfr = jedec_table[index].mfr_id;
1926 p_cfi->id = jedec_table[index].dev_id;
1927
1928 uaddr = finfo_uaddr(&jedec_table[index], p_cfi->device_type);
1929 if ( uaddr == MTD_UADDR_NOT_SUPPORTED ) {
1930 kfree( p_cfi->cfiq );
1931 return 0;
1932 }
1933
1934 p_cfi->addr_unlock1 = unlock_addrs[uaddr].addr1;
1935 p_cfi->addr_unlock2 = unlock_addrs[uaddr].addr2;
1936
1937 return 1; /* ok */
1938 }
1939
1940
1941 /*
1942 * There is a BIG problem properly ID'ing the JEDEC device and guaranteeing
1943 * the mapped address, unlock addresses, and proper chip ID. This function
1944 * attempts to minimize errors. It is doubtfull that this probe will ever
1945 * be perfect - consequently there should be some module parameters that
1946 * could be manually specified to force the chip info.
1947 */
1948 static inline int jedec_match( __u32 base,
1949 struct map_info *map,
1950 struct cfi_private *cfi,
1951 const struct amd_flash_info *finfo )
1952 {
1953 int rc = 0; /* failure until all tests pass */
1954 u32 mfr, id;
1955 __u8 uaddr;
1956
1957 /*
1958 * The IDs must match. For X16 and X32 devices operating in
1959 * a lower width ( X8 or X16 ), the device ID's are usually just
1960 * the lower byte(s) of the larger device ID for wider mode. If
1961 * a part is found that doesn't fit this assumption (device id for
1962 * smaller width mode is completely unrealated to full-width mode)
1963 * then the jedec_table[] will have to be augmented with the IDs
1964 * for different widths.
1965 */
1966 switch (cfi->device_type) {
1967 case CFI_DEVICETYPE_X8:
1968 mfr = (__u8)finfo->mfr_id;
1969 id = (__u8)finfo->dev_id;
1970
1971 /* bjd: it seems that if we do this, we can end up
1972 * detecting 16bit flashes as an 8bit device, even though
1973 * there aren't.
1974 */
1975 if (finfo->dev_id > 0xff) {
1976 DEBUG( MTD_DEBUG_LEVEL3, "%s(): ID is not 8bit\n",
1977 __func__);
1978 goto match_done;
1979 }
1980 break;
1981 case CFI_DEVICETYPE_X16:
1982 mfr = (__u16)finfo->mfr_id;
1983 id = (__u16)finfo->dev_id;
1984 break;
1985 case CFI_DEVICETYPE_X32:
1986 mfr = (__u16)finfo->mfr_id;
1987 id = (__u32)finfo->dev_id;
1988 break;
1989 default:
1990 printk(KERN_WARNING
1991 "MTD %s(): Unsupported device type %d\n",
1992 __func__, cfi->device_type);
1993 goto match_done;
1994 }
1995 if ( cfi->mfr != mfr || cfi->id != id ) {
1996 goto match_done;
1997 }
1998
1999 /* the part size must fit in the memory window */
2000 DEBUG( MTD_DEBUG_LEVEL3,
2001 "MTD %s(): Check fit 0x%.8x + 0x%.8x = 0x%.8x\n",
2002 __func__, base, 1 << finfo->DevSize, base + (1 << finfo->DevSize) );
2003 if ( base + cfi_interleave(cfi) * ( 1 << finfo->DevSize ) > map->size ) {
2004 DEBUG( MTD_DEBUG_LEVEL3,
2005 "MTD %s(): 0x%.4x 0x%.4x %dKiB doesn't fit\n",
2006 __func__, finfo->mfr_id, finfo->dev_id,
2007 1 << finfo->DevSize );
2008 goto match_done;
2009 }
2010
2011 uaddr = finfo_uaddr(finfo, cfi->device_type);
2012 if ( uaddr == MTD_UADDR_NOT_SUPPORTED ) {
2013 goto match_done;
2014 }
2015
2016 DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): check unlock addrs 0x%.4x 0x%.4x\n",
2017 __func__, cfi->addr_unlock1, cfi->addr_unlock2 );
2018 if ( MTD_UADDR_UNNECESSARY != uaddr && MTD_UADDR_DONT_CARE != uaddr
2019 && ( unlock_addrs[uaddr].addr1 != cfi->addr_unlock1 ||
2020 unlock_addrs[uaddr].addr2 != cfi->addr_unlock2 ) ) {
2021 DEBUG( MTD_DEBUG_LEVEL3,
2022 "MTD %s(): 0x%.4x 0x%.4x did not match\n",
2023 __func__,
2024 unlock_addrs[uaddr].addr1,
2025 unlock_addrs[uaddr].addr2);
2026 goto match_done;
2027 }
2028
2029 /*
2030 * Make sure the ID's dissappear when the device is taken out of
2031 * ID mode. The only time this should fail when it should succeed
2032 * is when the ID's are written as data to the same
2033 * addresses. For this rare and unfortunate case the chip
2034 * cannot be probed correctly.
2035 * FIXME - write a driver that takes all of the chip info as
2036 * module parameters, doesn't probe but forces a load.
2037 */
2038 DEBUG( MTD_DEBUG_LEVEL3,
2039 "MTD %s(): check ID's disappear when not in ID mode\n",
2040 __func__ );
2041 jedec_reset( base, map, cfi );
2042 mfr = jedec_read_mfr( map, base, cfi );
2043 id = jedec_read_id( map, base, cfi );
2044 if ( mfr == cfi->mfr && id == cfi->id ) {
2045 DEBUG( MTD_DEBUG_LEVEL3,
2046 "MTD %s(): ID 0x%.2x:0x%.2x did not change after reset:\n"
2047 "You might need to manually specify JEDEC parameters.\n",
2048 __func__, cfi->mfr, cfi->id );
2049 goto match_done;
2050 }
2051
2052 /* all tests passed - mark as success */
2053 rc = 1;
2054
2055 /*
2056 * Put the device back in ID mode - only need to do this if we
2057 * were truly frobbing a real device.
2058 */
2059 DEBUG( MTD_DEBUG_LEVEL3, "MTD %s(): return to ID mode\n", __func__ );
2060 if(cfi->addr_unlock1) {
2061 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2062 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2063 }
2064 cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2065 /* FIXME - should have a delay before continuing */
2066
2067 match_done:
2068 return rc;
2069 }
2070
2071
2072 static int jedec_probe_chip(struct map_info *map, __u32 base,
2073 unsigned long *chip_map, struct cfi_private *cfi)
2074 {
2075 int i;
2076 enum uaddr uaddr_idx = MTD_UADDR_NOT_SUPPORTED;
2077 u32 probe_offset1, probe_offset2;
2078
2079 retry:
2080 if (!cfi->numchips) {
2081 uaddr_idx++;
2082
2083 if (MTD_UADDR_UNNECESSARY == uaddr_idx)
2084 return 0;
2085
2086 cfi->addr_unlock1 = unlock_addrs[uaddr_idx].addr1;
2087 cfi->addr_unlock2 = unlock_addrs[uaddr_idx].addr2;
2088 }
2089
2090 /* Make certain we aren't probing past the end of map */
2091 if (base >= map->size) {
2092 printk(KERN_NOTICE
2093 "Probe at base(0x%08x) past the end of the map(0x%08lx)\n",
2094 base, map->size -1);
2095 return 0;
2096
2097 }
2098 /* Ensure the unlock addresses we try stay inside the map */
2099 probe_offset1 = cfi_build_cmd_addr(
2100 cfi->addr_unlock1,
2101 cfi_interleave(cfi),
2102 cfi->device_type);
2103 probe_offset2 = cfi_build_cmd_addr(
2104 cfi->addr_unlock1,
2105 cfi_interleave(cfi),
2106 cfi->device_type);
2107 if ( ((base + probe_offset1 + map_bankwidth(map)) >= map->size) ||
2108 ((base + probe_offset2 + map_bankwidth(map)) >= map->size))
2109 {
2110 goto retry;
2111 }
2112
2113 /* Reset */
2114 jedec_reset(base, map, cfi);
2115
2116 /* Autoselect Mode */
2117 if(cfi->addr_unlock1) {
2118 cfi_send_gen_cmd(0xaa, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2119 cfi_send_gen_cmd(0x55, cfi->addr_unlock2, base, map, cfi, cfi->device_type, NULL);
2120 }
2121 cfi_send_gen_cmd(0x90, cfi->addr_unlock1, base, map, cfi, cfi->device_type, NULL);
2122 /* FIXME - should have a delay before continuing */
2123
2124 if (!cfi->numchips) {
2125 /* This is the first time we're called. Set up the CFI
2126 stuff accordingly and return */
2127
2128 cfi->mfr = jedec_read_mfr(map, base, cfi);
2129 cfi->id = jedec_read_id(map, base, cfi);
2130 DEBUG(MTD_DEBUG_LEVEL3,
2131 "Search for id:(%02x %02x) interleave(%d) type(%d)\n",
2132 cfi->mfr, cfi->id, cfi_interleave(cfi), cfi->device_type);
2133 for (i = 0; i < ARRAY_SIZE(jedec_table); i++) {
2134 if ( jedec_match( base, map, cfi, &jedec_table[i] ) ) {
2135 DEBUG( MTD_DEBUG_LEVEL3,
2136 "MTD %s(): matched device 0x%x,0x%x unlock_addrs: 0x%.4x 0x%.4x\n",
2137 __func__, cfi->mfr, cfi->id,
2138 cfi->addr_unlock1, cfi->addr_unlock2 );
2139 if (!cfi_jedec_setup(cfi, i))
2140 return 0;
2141 goto ok_out;
2142 }
2143 }
2144 goto retry;
2145 } else {
2146 __u16 mfr;
2147 __u16 id;
2148
2149 /* Make sure it is a chip of the same manufacturer and id */
2150 mfr = jedec_read_mfr(map, base, cfi);
2151 id = jedec_read_id(map, base, cfi);
2152
2153 if ((mfr != cfi->mfr) || (id != cfi->id)) {
2154 printk(KERN_DEBUG "%s: Found different chip or no chip at all (mfr 0x%x, id 0x%x) at 0x%x\n",
2155 map->name, mfr, id, base);
2156 jedec_reset(base, map, cfi);
2157 return 0;
2158 }
2159 }
2160
2161 /* Check each previous chip locations to see if it's an alias */
2162 for (i=0; i < (base >> cfi->chipshift); i++) {
2163 unsigned long start;
2164 if(!test_bit(i, chip_map)) {
2165 continue; /* Skip location; no valid chip at this address */
2166 }
2167 start = i << cfi->chipshift;
2168 if (jedec_read_mfr(map, start, cfi) == cfi->mfr &&
2169 jedec_read_id(map, start, cfi) == cfi->id) {
2170 /* Eep. This chip also looks like it's in autoselect mode.
2171 Is it an alias for the new one? */
2172 jedec_reset(start, map, cfi);
2173
2174 /* If the device IDs go away, it's an alias */
2175 if (jedec_read_mfr(map, base, cfi) != cfi->mfr ||
2176 jedec_read_id(map, base, cfi) != cfi->id) {
2177 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2178 map->name, base, start);
2179 return 0;
2180 }
2181
2182 /* Yes, it's actually got the device IDs as data. Most
2183 * unfortunate. Stick the new chip in read mode
2184 * too and if it's the same, assume it's an alias. */
2185 /* FIXME: Use other modes to do a proper check */
2186 jedec_reset(base, map, cfi);
2187 if (jedec_read_mfr(map, base, cfi) == cfi->mfr &&
2188 jedec_read_id(map, base, cfi) == cfi->id) {
2189 printk(KERN_DEBUG "%s: Found an alias at 0x%x for the chip at 0x%lx\n",
2190 map->name, base, start);
2191 return 0;
2192 }
2193 }
2194 }
2195
2196 /* OK, if we got to here, then none of the previous chips appear to
2197 be aliases for the current one. */
2198 set_bit((base >> cfi->chipshift), chip_map); /* Update chip map */
2199 cfi->numchips++;
2200
2201 ok_out:
2202 /* Put it back into Read Mode */
2203 jedec_reset(base, map, cfi);
2204
2205 printk(KERN_INFO "%s: Found %d x%d devices at 0x%x in %d-bit bank\n",
2206 map->name, cfi_interleave(cfi), cfi->device_type*8, base,
2207 map->bankwidth*8);
2208
2209 return 1;
2210 }
2211
2212 static struct chip_probe jedec_chip_probe = {
2213 .name = "JEDEC",
2214 .probe_chip = jedec_probe_chip
2215 };
2216
2217 static struct mtd_info *jedec_probe(struct map_info *map)
2218 {
2219 /*
2220 * Just use the generic probe stuff to call our CFI-specific
2221 * chip_probe routine in all the possible permutations, etc.
2222 */
2223 return mtd_do_chip_probe(map, &jedec_chip_probe);
2224 }
2225
2226 static struct mtd_chip_driver jedec_chipdrv = {
2227 .probe = jedec_probe,
2228 .name = "jedec_probe",
2229 .module = THIS_MODULE
2230 };
2231
2232 static int __init jedec_probe_init(void)
2233 {
2234 register_mtd_chip_driver(&jedec_chipdrv);
2235 return 0;
2236 }
2237
2238 static void __exit jedec_probe_exit(void)
2239 {
2240 unregister_mtd_chip_driver(&jedec_chipdrv);
2241 }
2242
2243 module_init(jedec_probe_init);
2244 module_exit(jedec_probe_exit);
2245
2246 MODULE_LICENSE("GPL");
2247 MODULE_AUTHOR("Erwin Authried <eauth@softsys.co.at> et al.");
2248 MODULE_DESCRIPTION("Probe code for JEDEC-compliant flash chips");
Linux kernel - Deliverables
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